https://atlantis-prod.s3.eu-west-1.amazonaws.com/production_static_472_26447.pdf?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAIOYAYBL3YMGDBSSA%2F20190324%2Feu-west-1%2Fs3%2Faws4_request&X-Amz-Date=20190324T220801Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=5250b482357caa78844be99928d04515e21fbd2b3bae6851d87d4840a35f1286